Last Comic Standing (7 p.m., Ch. 5): A winner will be declared in the season finale. Let's hope it's Utahn Marcus, who genuinely deserves to win.

So You Think You Can Dance (7 p.m., Ch. 13): A winner is declared in the season finale.

Bill Engvall Show (7 and 7:30 p.m., TBS): The first episode involves an iguana; the second is about the prom.

My Boys (8 p.m., TBS): Bobby's best man is missing. (Season finale)

America's Got Talent (8:30 p.m., Ch. 5): The Las Vegas callbacks conclude. (The show is going on a three-week hiatus. It will return Aug. 26, after NBC's coverage of the Beijing Summer Olympics concludes.)